SAN JOSE — Police this morning are investigating the death of a man who was found in the parking lot of a Jack in the Box in South San Jose, the fourth homicide in the South Bay in a span of about 12 hours, according to police and media reports.

Police dispatchers received a 911 call at 1:18 a.m. from a person reporting an injured man lying in the 400 block of Blossom Hill Road, according to Sgt. Jason Dwyer. Officers responded to the scene and found an unconscious man who appeared to have been assaulted.

The man, who died at the scene, became the city’s 16th homicide victim this year. His name is being withheld until the Santa Clara County Coroner’s Office notifies his family.

The man was found in the parking lot of Jack in the Box, located near Snell Avenue. The police department’s homicide unit has taken over the investigation.

Police this morning taped off entrances to the shopping center near the intersection of Blossom Hill and Snell and were focused on the parking lot of the Jack in the Box. The fast food restaurant, which is typically open 24 hours, was closed as investigators took measurements at the scene.

No suspects have been identified or apprehended.

The homicide was the fourth during a violent 24 hours in the South Bay. Late Tuesday the Santa Clara County Sheriff’s Office arrested a man sought as a “person of interest” in the stabbing death of a 1-year-old boy and a 48-year-old woman dead at an Alum Rock neighborhood home.

The suspect, Ruben Ramirez, 27, was arrested at about 9:15 p.m. in San Francisco by U.S. marshals and San Francisco police. Relatives said Ramirez was the son of the woman killed and the child’s uncle.

Earlier Tuesday, a woman was found dead inside a room at the Holiday Inn Express Motel on Monterey Road in San Jose.

Otto Warmbier was arrested in January 2016 at the end of a brief tourist visit to North Korea. He had been medically evacuated and was being treated at the University of Cincinnati Medical Center when he died at age 22.